题目内容
16.Travelers ________ show their documents when they arrive.It's law.( )A. | can | B. | must | C. | may | D. | will |
分析 游客到达时必须出示他们的证件,这是法律.
解答 答案是B.本题考查情态动词辨析.can 能够;must (通常因为规定或法律)必须,应当;may也许;will会;根据句中"这是法律"判断用must表示"必须出示证件",所以答案选择B.
点评 要在正确理解情态动词的基本含义的基础上,整体理解语境中的情感态度,做出合理的判断.
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